Part of the reason Volkswagen was capable to cheat the Union government ’s emission examination for so long was the psychometric test itself : standardized , spare of variables , and easy to orchestrate around . In the backwash ofDieselgate , the EPA is announcing an modernize , really - useful testing procedure .
https://jalopnik.com/your-guide-to-dieselgate-volkswagens-diesel-cheating-c-1731857018
concord to theNew York Times , the EPA is going to test all raw cars — and 2015/16 Rudolf Christian Karl Diesel exemplar — on actual route . Previously , testing was done in a fix locating by putting the car onto rollers and entering test musical mode , which made it prosperous for the car ’s softwareto detect the exam , and put on its good - male child no - emissions lid .
The on - road testing will apparently be far more randomized and unpredictable , which should make ‘ defeat devices ’ far harder to set up . It will basically involve drive the car on regular roads , but with a machine in the trunk glom up to the exhaust , quantify emissions as you drive . It ’s the same variety of testing the EPA has done on large trucks for years , but now being roll out across all passenger vehicle .
Road testing does n’t think of the end of lab testing , though : lab tests will stay as the official benchmark to meet emissions standards ; the route testing is just to weasel out the cheater .
[ New York Times ]
reach out to the author at[email protected ] .
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